Home / 148,784.96-205,420.32-92,279.36

Finding the Fourth Proportional to 148,784.96, 205,420.32 and 92,279.36

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Solution

The fourth proportional to 148,784.96, 205,420.32 and 92,279.36 is: 127,405.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,784.96 : 205,420.32 = 92,279.36 : x
  2. Step 2: Convert to fraction form
    148,784.96/205,420.32 = 92,279.36/x
  3. Step 3: Cross multiply
    148,784.96x = 205,420.32 × 92,279.36
  4. Step 4: Simplify right side
    148,784.96x = 18,956,055,660.60
  5. Step 5: Solve for x
    x = 18,956,055,660.60/148,784.96
  6. Step 6: Final answer
    x = 127,405.72

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.